ammonites
Denmark Hill Insect Bed Dunstan 1915-1916 collection (Triassic of Australia)

Where: Queensland, Australia (27.6° S, 152.8° E: paleocoordinates 58.2° S, 125.5° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Blackstone Formation (Ipswich Coal Measures Group), Carnian (235.0 - 221.5 Ma)

• Insect bed is about 50 feet above the Bluff coal seam and 50 feet below the Aberdare coal seam. fossil bed is 15 cm thick

• bed-level stratigraphic resolution

Environment/lithology: lacustrine; lithified, sandy siltstone

• "Coal seams are known above & below the fossiliferous sequence indicating a lacustrine environment." Jell, 2004
• "The fossil insect bed of finely arenaceous shale. Near the outcrop the bed is of a brownish grey colour with iron-stained joints and planes." Dunstan, 1916 Fresher rock is a greenish grey colour.

Size classes: macrofossils, mesofossils

Preservation: mold/impression, adpression

Collected by Dunstan & Wilcox in 1915-1916

Primary reference: R. J. Tillyard. 1917. Mesozoic Insects of Queensland No. 1 Planipennia, Trichoptera, and the new order Protomecoptera. The Proceedings of the Linnean Society of New South Wales 42(165):175-200 [M. Clapham/J. Karr] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 111558: authorized by Matthew Clapham, entered by Jered Karr on 25.06.2011

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)